Metal-working machine.



Paented Sept. 22, 1914.

4. SHEETSASHEET 1.

Patented Sept. 22, 1914.

SHEETS-SHEET 3,

UNITED STATES PATENT OFFICE.

OSCAR A. SMITH, oEc'LEvELAND, omo, AssIoNoR 'ro THE NATIONAL ACME MANU-EACTURINGICOMPANY, or CLEVELAND, oHIo, A coRPoEA'rIoN. 0E oHIo.

-/o all yitz/mm. it muy concer/i: l

. e it known that .-I, Oso/iii A. SMITH, a citizen -of the UnitedStates, residing at Cleveland, in the countyfofCuyahoga and State ofOhio, have invented certain'fnew and useful Improvements inMetalfVVorlking illaohines. of which the following is a speei- Thisinvention relates to metalworking machines of that class known asautomatic nr multiple spindle screw machines, the object of` theinvention beingto provide a machine of this class having improved meansfor revolving or indexing tliefwork spindle turretI at an acceleratedspeed without changing or vvar,\ 'ing the speedof the Vmain ,driving ortool actuating cam shaft 'as heretofore, whereby theproduction of the.machine is iiiaterially increased, one. of, the important --Eeatures ofthe present improvement being successively or iiitalteri'iation, thepresent construction being ai'riinproveineiit in part upon that shownand described in Patent No. (355,974, dated August 14,- 1900s,

A further object of the invcntionis the provision,v in a multiplespindle screw machine liaviiig a rotating work tiirret'and asliding-tool carrier, both mounted on the 'liedthereof, of improvedmeans for indexing thewvork tiirret.

."t further object-of the invention is the provision, in a ii'iachine ofthe class de;A scribecL-of,improved means for changing the speed of theturret. without varying the speed ofthe main driving or cam shaft.

furtherbbject of the invention is the provision of an improved cam shaftdriving ineclianisnnby means of which the rotating werk spindle turretmay be rotated either :it-substantially the saine speed as the maindriving or. cani shaft ci at an accelerated speedyas compared therewithWithout the necessity` of reducing the, speedof' Suchshaft,:intermediate the indexing of, 'siich turret.' n.

A `furl-lier object ofl tilieminveiition-fis the provision of animproved'multiple"spindle Spcification. of Letters Patent. Applicationtiled August 27, i810. Serial No. 579,240.

METAL-WORKING MACHINE.

Patented Sept. 22, 1914.

machine having a constant or uninterrupted speed ymain driving or camshaft for controlling the indexing of the rotary turret and the, slidingtool carrier, in which, however, the speed of suoli main driving or camshaft may be readily changed with relation to its driving means.

,A further object of the invention is the provision of an improvedmultiple spindle machine in which the rotating work spindle turret maybe rotated or indexed at an acceleratei'l speed and the'sliding toolcarrier have an accelerated movement during such rotary movement orindexing of the turret and a slower movement intermediate such indexing,while the main vdriving or cam shaft controlling such indexing and`sliding movements A of the tool carrier is maintained at a constantspeed at4 all times..

Intlie drawings accompanying and forming part `of thiss'pecifieation,Figure l is a top rlan view of a multiple spindle screw machine havingtlii s improved mechanism combined therewith, partsgl thereof beingshown in section more clearly-tol illustrate the present improvement.;Fig. "2 isa side elevation thereof, with vparts thereof broken awayoishovvn'in section; Fig. 3 is a perspective View of the turret and themain driving or camshaft driving macha-nism detached vfrom the machine;Figs. 4 and 5 are detail, partly sectional, viewsillustrating thechange-gear mechanism for` the tool spindles; Fig. 6 is a crosssectional view taken in linef, Fig. 2,.looking in the direction of. thearrow in said Fig. 2; and Fig. 7 is a cross sectional view taken in line7 7, Fie. 6.,

l Similar characters of reference indicate corresponding partsthroughout the figures `of the drawings.

The present improved machine comprises a suitable supporting frame orbed A, having mounted thereon a turret casing 2,with

-in Iwhich is located a rotary work spindle turret or cylinder 3,whichmay carryy any desired number of work spindles 4, four of .vhichareshovvn herein.f iEach of these Work carrying spindles is providedwith the usual clutch 5 and a gear 6 ini mesh with a gear 7 `located onthe end ofthe .work spindle driving shaft 8, which passes through and isrotatable .within the turret 3 andby means of which Arotary movement isimpartedtofthe rotary ,work spindles mounted ivithin,fthe

turret. lThe opposite end of this shaft 8 Vhas a baring in a bracket 9secured to the bed of the machine` and loosely mounted upon the endof'this shaft is a driving pulley 10, which is constantly driven fromany suitable source of power and by means of which motion-.is impartedto the various parts of the machine. Keyed on the end of the spindledriving shaft 8, adjacent to the driving pulley 10, is a gear 11, andsecured to or forming a part of the hub of the driving pulley lOis agear 152, which gears mesh with la hair of gears lll and 14 mounted upona stud 15 carried by the bracket 9, which latter gears are shown-doweled together, (see Fig. T), and through the medium of which meshinggears rotary movement is imparted from the pulley l() to the spindledriving shaft, and from'thence to the spindles 4. and by changingthe'ratio ofthe gears the speed of thework spindles may be. varied in amanner which will be readily understood.

For indexing the rotary work carrying spindle turret or cylinder 3,suitable mechanism is provided, comprising a main driving for cam shaft,which in the present instance is rotated at a constant or unvaryingspeed. This main driving or cam shaft 20 is mounted on the bed of themachine below the spindle drivingshaft 8, and at one end carries camdrum 21 having cam straps for operating the work spindle clutches 5, andadjacent to its opposite end carries a cam drum 22 haviner cam strapsfor shifting the slidingY too carrier 23 mounted to slide upon the bedof the machine, and through which passes the spindle driving shaft vEland the Sleeve thereof hereinafter referred to. This sliding toolcarrier is provided with a fdcpending cam engaged stud 24, by me'ansv ofwhitili the tool carrier is moved back and forth toward and from theturret. This sliding tool carrier carries the rotary tool spindles,usually corresponding in number lwith the number of work spindlescarried by the turret.

For driving the main driving or cam shaft, and thereby rotating the workspindle turret, the driving pulley 10 has secured thereto a bevel gearIl() in mesh with a bevel gear 31 keyed to a vertically supported shaft32 having a bearing in the bracket 9. On the lower end of this shaft 39is another bevel gear 33 in mesh with a bevel gear 34 .secured to theend of a shaft likewise Supported by the bracket f), and 'on the end ofwhich shaft 35 is mounted a chainl sprocket 36. On 4the bed ofthe'machino'is'4l housed a stud 37, on the oiitcrventlofV which' is mounteda chain sprocket 88, the two chain sprockets 86 and Btlbellugconncctedby a driving chain 39. Fastened to the chain sprocket 38 isa gear40,-'in mesh with which is an -idler'gear 41 mounted on a rocker arm 4:2loosely mounted ou the end of a worm shaft 43 mounted on the, bed of themachine, and which rocker arm 42 is provided with a segmental slot-44and a clamping screw 45 by means of which it may be adJusted withitsgear in thc proper position to have any particular sized gear meshwith the gear 38 and the gear 46 secured to the worm shaft '43. llychanging cert-ain of these gears, it

will be apparent that any desired Speed may be imparted to the maindriving or cam shaft. Carried by the worm shaft is a worm 4i' in meshwith a worm wheel .13 secured to the shaft 20.

From the foregoing it will be observed that a continuous oruninterrupted drive from the pulley 10 tothe shaft '20 is obtained.

"llolted to t-he work spindle turret or cylinder Il is a disk 50, andcentrally of this disk there is secured a sleeve 51 through which thespindle driving shaft 8, hereinbefore referred to, passes7 this sleeveclearing said shaft S and the opposite end having a bearing, like theshaft 8, in bracket 9 secured to the bed of the machine, (see Fig. 7).On this sleeve 51 is secured a gear 52, which is in mesh wit-h a gear 53fixed to a supplemental shaft 54 suitably housed in the bracket 9. Onthe opposite end of this supplemental shaft 54 is fixed a change gear55. which in turn meshes with a change gear 5o mounted on a stud 5Tlikewise supported on the bracket 9 and fastened b v means of dowel pins58 to a master gear (30, which is of the same size as the work spindlecylinder or turret and is provided with the proper number of teeth tosuit the requirements of the particular multiple spindle machine withwhich it is to be used.

)n the shaft 20 is: secured a segmental gear 61 set to mesh at theproper time with the master gear (30. This segment is cut With theproper number of teeth to suit the particular machine with which it isto be used. The character of this segmental or fan-.shaped gear 61 andthe master gear depends merely upon the number of spindles which are tobe indexed in the rotary turret. 'l`he driving of the cam shaft from thedriving pulley 10, which cam shaft, as hereinbefore stated, is driven atan uninterrupted speed, carries the segmental `gear G1 into Contact atcertain periods with the master gear 60, by means of which the gear 5Gsecured thereto, and the train of gears 55, 5Fl and 52 are rotated. andconsequently the sleeve 51, and thereby the turret 3, during the timethat the master gear 60 and fan gear G1 are in mesh, the turretremaining stationary at other times, the, usual locking bolts (32 beingprovided for locking the' turret in its stationary position. yByrthlsmeans the workspndle turret or Cylinder is indexed therequiredvdistance, the speed of Which'in'dexin'g is controlled by thevchange gears 55 and 56, so that, without imnifing'orl changingtlie'speed of the cani shaft, the Work spindle-turret may be rotated andindexed at whatever speediiiay be desired, according to the work that'is to be done, and usually at an accelerated speed as compared with thespeed4 of the ram shaft, whereby the product of the machine will vbeviri'aterially incieased, and

v this, as stated, whilethe cam Shaft-fis driven at a.y .continuous anduninterrupted sped ln practice also, the sliding toolcarrier will havean accelerated vmovement during. the

rotary movement orindexing of the turret,` this being` determined by`the shape of the- 71.5 having. :i width eqiial to the combined w'idthof the series of spur gears '71. ou the die shaft 7G. (')nitlie shaft-72isliung a yoke T4, carrying a stud 75 having mounted thereon a gear '7Gin mesh with the wide gear 73 and with one' of the lgears of theset 71,the gear 7G being'shitable by means of the yoke p74 andthe lockingdevice 7 7 transversely vof the set ofvgears 7l into position to meshwithA any 4one Aof -the set, and' also shiftable A'through the medium ofthe swingingyoke soas to engage either .the larger or the smaller, orthe intermediate gears of the'set 7l, it being locked in mesh with theparticular-gear by theflocking dei-ice 77: and the indexing station 78,Fig.

On, the shaft 72 is keyed, by means of a sliding key, a. gear SO in meshwith a gear 81 keyed to the 'spindle driving shatt- 8, by iiieansofwhich motion is imparted from the driving pulley l0, through the meshingt(gears 81 andSO and the wide. gear T3, tr,- the die 'spindlesh'aft V70:it the desired speed, theotlier'tool. Spindle shafts beingr driven bygears 90, 91 and 92 from the same wide gear 73. l

VIn multiple spindle vmachines in which .a fanA gear in mesh Witha gearlixed to the turret is utilized to rotate `the turret, no Worlrcan heperformed either by the fern ing, cutting off vor't'ool slide toolsuntil the cyliiiderhas beenindexed'fro'm one position -to the other, theloss of actual working time being approximately the proportion. of thefnll circle which is occupied hy the width of thc fan gear. With thepresent improved method of using compound gearing and the change gears55 and 56, it will be seen that by making the change gears and' 56 ofthe ratio of two to one and having the master gear 6() of thesaiiie'size as the cylinder it is necessary to have the fan gear 6l onlyhalf wide to indexA the cylinder a ono-quarter lturn is the case wherethe fan gear is dii'ectlyT gea redwitli the cylinder, so that with thisimprovement, in a certaii'i sized machine there is a gain of fromthree-to fouri-nches on working-length of forming and cut olf' c-ams,and taking-adi-'antage of 'thisextra length the lead the cams can bemadethat much -r-asier.

cutting olf and forming, and the cam had-: 1 lead Vof three-eighthsof'an inch tonne? revo- ,lution' voie the cam shaft', vthe lspeed Voftheearnv shaft would be increased vso that-the feed of vthe tool slidewould beat' the Samefrate as it For: instance, if: the machine wererunning te the limit of the-calins .for'

was when at the limit o'ffthegfshorter cam in the length oftheCain,'which of course means loss ofproduction, inasmucflins the more camthat is used. the easier the cutting tools work; so that the fan4gear,-'to-index two positions, or a. half'turn, underA the old methodvwould have to'be .twice the' width of the .present fanV gear that -isutilized-in suelrmachi'nes; but' this Awould necessitate the cuttingofi"V of 'three to four inches of the forming, cut, oi and tool slidecam, Whereas in the present method ofrindexing, the fanv Vfili gear61,forindexiiig ahalf turnv would need l.

only to be thevidth of the fan gear new i:sed in the old method forindexing aone` quarter turn. Thus in the present improvement there istheadvantage of the present lengths ofcams, or, in other words, the camsnow-used in connection with the quarter inv flexing of a machine of thisclass .would-he all right in length for a machine with which it wasintended to index tlieturret it half tiirn b viitilizing the means shownherein for nperatinir the 'cam shaft.

The advantages of la half-.turn indexI machine are many, as insome casestwo finished pieces .may -be cut off and Anew lengt-hs. of bars fed' outin the *twol bottom spindles, While on the two tops'pindles the ends'can be turned and head oreck' formed. Furthermore, in working ori-brassa greatenspeed.v

of the cutting tools and dies is possible, and therefore desirable, thanin work-ing on steel. Consequently it is desirable'. *to have 'achanpjegear mech-.inisn'rfor controlling the speed of the tools,including the threadinp,4 tool, and as the saine reasoning applies toAiisv the `rotatioi of the Work spindles it is theretore desirable tohave a cliange-speed mecha; nism for changing the speed o the Workspindles.

From the foregoing it will therefore be apparent that in the presentimprovement a. l

material saving in the lossof time is btained in the operation of theseveral parts, while thevturret maybe indexed at the dcsired acceleratedspeed Without varying the speed of the cam shaft, and in consequence amuch greater production is obtainable than heretofore.:`

'It 'will beobservedY that in the present improvement the'turret isindexed, not from its periphery asf heretofore, hut centrally or axiallythereof; that is-'to' say, the turret has, as hereinhefore stated,secured thereto centrally thereof a shaft which rotates therewith. andto which shaft intermittent. motion-is imparted thereby to index 1theturretin the manner liereinlieore sta-ted. Herctofore, Where the. turretwas indexed from the periphery thereof, either by moans ot gears orotherwise, this indexing means had a tendency to 'force the cylinder orturret against the opposite side of its casing before it Was possible torevolve the cylinder. This action .Wears the casing out of round andmakes apoor hearin for the cylinder, and this results in a had t of thecylinder in its casing andlconsequently results at times 'in theproduction of poor Work. But by indexing it in the manner shown thecylinder does not haveto he provided with teeth or notches thereon, andconsequently itina.y have aperfect hearing in its casing and willreina-1n so,.sin`ce-itis revolved 'fromv the center and there is no sidestrain en it when revolving. Furthermore, when the cylinder if; indexedfrom its center instead from its periphery it revolves much easierWithin its easing, "for the reason that vvhen turned frcmth'e center thefriction against the side ofi its vcasing is evenly distributed, butWhen turned from the periphery the friction is much greate on .theopposite side from that ivhcre the mechanism is in contact with thecylinderlor :turningit, and consequently will wear the cylinder out ofround or true. Furthermore, the tubular sleeve or shaft Y which isconnected with the turret centrally Vthe down thrust Wear of thecylinder and ter thereof 'at a rapid, speed equal to or greater than thespeed of said driving shaft, said means including a shaft secured tosaid turret and connecting .means between said shaft and the drivingshaft.

2. In an automatic multiple spindle machine, the combination of a rotaryturret, a cam carrying shaft, means for rotating said cani carryingshaft at a constant or uninterrupted speed, and means driven from saidcani carrying shaft for intermittently indexing the turret :from thecenter thereof at a rapid speed equal to or greater than the speed ofsaid cani carrying shaft, said means including' a slr l, secured to saidturret and connecting umane between shirt and the cam curr g shaft.`

3. in au automatic lnfltiple spi" il chine, the combination of a rota;yshittable tool carrier, a driving shaft, for rotating it at a constanter uninterrupted speed, means 'carried oy vaid shaft for reciprocatingthe shiftahle tool'carrier, -and meansdriven from said shaft forintermittently inde-Xing the turret from the .center thereof at a rapidspeed equal to or greater than the speed of said driving shaft andbetweenthe time that said tool carrier backs away from its Workingposition and returns to said position relatively to the turret, saidmeans including a shaftv secured.

to said turret and gearing between said shaft sliding tool carrier, adriving shaft, means driven thereby for shifting the tool carrier towardand from the turret, a part of such movement being at a speed dilierentfrom another part of.' such movement, means for rotating said shaitlat aconstant or uninterrupted speed, and. means driven from id shaftorintermittently indexing the turret from the center thereof at a speedequal to or greater than the speed of said driving shaft and after thetool carrier has been shifted partly away from the turret, said meansincluding a vshaft secured to said turret and connecting means betweensaid shaft and the driving shaft.

In an automatic multiple spindle machine, the combination of a rotaryturret having a pluralitylof work carrying spin dles, a sliding toolcarrier having a plurality ot tools, a cam carrying shaft, cams thereonfor imparting a slow movement and a quick movement to the tool carrierat dilierent times, means for rotating said ,cani carrying shaft at aconstant or uninterrupted speed, and means driven from said camcarri/infr shaft for intermittently indexing the tu rt Jfrom the centerthereof at au accelerated speed as compared with the speed of said camcarrying shaft and suhseoum-.t

ti. inan uumnritie multiple spindle 11111 1 chine, the111'1r11'1-1n11t;11n nf :1 roturY turret`r :1 11.11111; tuoi. carrier.11. 11:11u eurrynug shalt.

11111115 theage-11 'for retriprnt'ziting the ralifling;

teni. nuyrier. annum 1.11 retuting uniti 1:1111 carrying @unifi 111111vuustunt or 111111'1ter ruim-,tl Speed. .1111i ilumina lriren i'rrnnsnif @am 'carrying Shut! 1211' internnthxntly .1n-1

lening the tinrel twin 'he ffentci theren :1t 11 'Speed equriltu er1111.111111' thun tho speed a shaft. se 1 9. In an automatic multiplespindle inaehine. the combination of 11 rotary turret.y u #hiltahle toolarr-1er, u rain earryil'ig' shaft, 1111111` thereon for ixueiprrmfltingthe tnol csir-v rier. means for rotating said :1111 carrying huit :1t :1constant or uninterrupted speed,

1 unil 111 uns driven. troni Suid shaft for internl" :anni 1.311111rurrving inrit :1111i hetn'een the 1 Linn-'. thu?, w..

its l y "11u-i1' tu -.1i .l turrrl und 13.11111- pri: remixed to 5:1111111th 1111wntrirnly with thu turret :1111i gearing; heiuren unifi. shaft11nd iin', 1111111 rurryini: :ludik l*iple spindle. nur

1 il. :11.1 111111111111;11 11111.. Clnnfiu 111e rnuibiniituni 1.1i' '.1rutauv turret. 11. l 111g (4111i 1'111111'1'. '.1 c1111'. 0111'15'11111huit.

rurryingg shift at .-1 enntunt or uninterrupted eine/111i. 1111.1nieunsf tiriren from said 1:11111 1:111 ving inuit 1'111'inter111ittentlyin tiexing 1h11 turret 111,111 the (tenter thereof uts1. 5pt-Qd equui tu 111' greater thun thefbpeeil et said (311111carrying thrift und between the time that Farid tool mrrier hurl@ awayfrom @tu \\'f1rltin 1 position uml returns,l to Suid p0- ritinnrelatively t1.' -1 'i turret :1nd (zum 1rising; .1.1 dink Sernin-fi tu.rid turret. 11 shalt se 1'1..1:1l 1,11 wie fl' i. eenrentrirully withthe turret tanti .s ng lxetuern sind shaft und i 11' 1 1x11 exu1? tlut.unil K11-hiding' :1 geur tnzmiiy the ruine rliunieter :15 the i in mi.1114,"1111111'117 multiple Spindle n1:.1- ehr'ae. im' -11111 11111111111 :1 rutrirf; turret. 11 rl. 11i m11.e iuarrier. 11 '11111 wirrjfinge.' Luft.. 01.111111 therein'. i111' refuiprufzningr the sliding ttmi.'urrim. 111111111@ i111' rututingl Suid ruin nurrying 1h11 l1 :it :1ennrltunt'ni.' uninterrupted Spreu. :1111.2 1111.111111 lriven 'i'rn'nimid -P11111 tinrx'in 13111111. for intermittnntly indexing; t turret'trium the renter thereof :1t f1 11.111 eufiul tu .711 ,rrii'utnr thanthe @peril 11.@ 'uditi 1111111 ensuring uti'i'. unil hetwtfen the timethen :mid tfml. 15111.11'1 lun'li 11u11? fri 111 it 111111111111'iufriitiun :1111i returns tu huid p0- bitifm rrintlrely ti Huil turretund Geminis 111;: ..1 "irk m1111111 tu anni turrnt. '.1 shut! 11110;;11' :fami disk cmu'ent1irully with the turret :1111.1 gearinghetmeelrsuiil shult und the 11111 ruw-ying shaft. mul including :1 ui'suhstuntially thossnne diameter 11s Liu-rut :1111i 111111111# foriuterxnittvntly y.l unister gem'.

ui 1111i 1.1111111'1'l1111'l1s1 $111111' troni 111.11.1111111 111111returns 11.1 muli 1re-l to Suid turret. :1 5h11 lit l lnittentiyindexing the turret troni the eenter (luredy ut 11 speed equal t0 111'greuter thun the @perni ot anni .Shaft :1111i between the tnne thatsuiil tool carrier hueks uwuy 1111111 its working; position und returnsto :auth positiun relutively t0 the turret und comprising :1 shultsecured to the turret rein thereof. 11 geur of s11l1stu11ti11lly thesuine diameter 119 they turret, gearing hetueen uid geur :nul tlirrtetshul't. und nie-uns i111' in11r111ittenti"yl 111111111111111' Suid geur.

1%). In :1n uutnniutie multiple. spindle, nurrhine. the rnnniinutinn Ul'an intermittently actuated rntury turret. '.1 011111 carrying thu'lt,111111111` for rntuting'it ut u constant or uninterrupted speed. :intlmeans for 111tern11tcantly rntuiing the turret :from the center thereof:1t 11 speed 111111111 to 01' greater thun that nt suifl shaft. 11shulft secured tu said turret nnneeiitrieully therewith. u fun geur1'11' ierl hy suil 11111 11h-aft. :nul ygearing lu:- tween said 1.11.11geur und. turret shaft.

' l1. in 11n uutznnutie multiple spindle machine haring u hed. theenrnhinution el" un interinitteinly uctuutwi rotar)Y turret sup- `portedon Suid htxd uml adapted to curry 0:1111 shalt.

'11%. in :111 rnteinutii' multiple trundle nur chine. the etnnhinutiun1.1i :1n inturl11itten11 uctuuted rotary turret. 11 1311111 eurryings'nui't. 1111111119 for rotating Suid .shaft at u tfnnhtunt oruninterrupted speed. 11 shaft 5001111111 tu said turret1:1111ee11trie11llj,v therewith. 1111111115 for indexing the turret fromthe` center thereof ut :1 speed equal tu er 'greater thun uuid. shaft. ugeur inning '.1 diameter unhttuntiullv rorrespnnding to that of the tur"'et. 11111111181 forth-ning said turret shaft from uuid gear, unilmeans driven from said cuni carrying shaft. for intermittently engagingsaid geur. 1

i3, In 11n uuitnrnatir multiple spindle 11111 chine. the combination ofa rotary turret, n driving shaft, means for rotating' said Shaft at aconstant or uninterrupted speed, 11. shaft Secured to said turretconeentricully therewith yand driven from said driving Shaft Said turretWithout atl'eetingv thr :weed 0i" Larid ram shaft.

22. ln an automatie multiple `windle maehine. the cnxnhinatimi m" arntaijy intermittenti)r :ietnaied turret. rotatable apiedler: earriedtherein'. a dritingt fhai't. meant: im' artnatiirer u-aid shaft' at avnn tant er uninterrupted speed. nuan,LA eernred te sanitur# 23. A metalwnriiinpj maehine eniimdying i a hed. a tuoi Carrier shittahly;-,upiiorte,d on Said hell. a turret :supported iur rntativ'e .movementand diti'erentiai speed actuating mechanism in operative eonneetinn withthe tool Carrier and turret andV adapted for imparting a variablemovement to the toni carrier and a quick rotative nmrement to the turretafter the tools h a re lei` t the work, Said mechanism includingr aShaft secured to said turret eoneentrieally ther-en ith.

14. In a maehine et the rims deseribed. the enmhinaiinn 0f a rotar;vintermittently aetnated turret, a rntatahle shaft. secured' theretn. agear earried hy Said sluxtt. aniaS- ter lqear. gearing between saidmaster gear and 'the Shaft gear. a 0am ahatt. means aetuated therelrvand intermittently' in en gagemem Vwith the master gear. and meana turdrivingr the ram shaft at a predetermined heeft Q ln a machiney of theeines' deaerihed. thecmnhinatiun hi'. a rutary intel-mittenti;Y aetuaiedturret. a rntatahie Silit therein. a gear earried i);y said riait. a master gear. #innige-#petal nearing; hetnfeen 'said master lgear and the:shaft gear. a ram Shaft, a near win-ed therein :ind interiniitenti;7 inmmh with the maaier rear. and meuh-j. ter :irivirp' the #am Shaft at apreflrterrsnned Speed.

ill. ln z hating a niarhiue et the si wd.. the enmivinatix it.

. leseriheii 'i a rminrj:

internententi.' .fntnated tnire mounted therein. .imi adapted in rari-vnmrif ini`1irs.

a tnni e1 rim iitz and adapted, la intermittent ir indexing; saai centertherein" and ineliidin i through Viid whaling imi vari-ier t0 fiiidneri; turret.

9i'. in :i inaffirne ni' the v the enmiiiiiatiin at :i rftury actuatedtrrret. a ihr: drilling #aid hatt at i; rnpfei ,werd and :mx-inf reteimreniriraiiiv there .mid hnl. tur indexing .-vznl i cent1-r :hermit ndwir: reti Hernia-ri i i l i i i i i i i i i i iil i i i i aetuatfniini-ret.

gear. gearing iwtxv'een lmid drin'v 2H. ln a multiple spindle arrowmarhine. the wizihinatiun nt' a rutar)l turret and a inni earrier. a`hait haring me; n: tur advancing and reti'ariny the teni earlier. nieuwiur dining iii. a fiiat serfirrti .it it inner end ii; wid turret iurrutatingf the suine, ami int-'e animi funnel-fini? aid fixait andeii'ertire tu rniii'u `Vnhl (nir-nt intermittently hnt at a izigher -iee=i than ,wid ir t shaft.

115i, in a multiple unntile Ae1-en' niarhine. the eeinhin-.itinn ui arotary turret` a trail rarrier. a haii inning' nie-ana fur adranriug andretrarting;v the tnui rarrier. means ier driving said shaft. shaftrigidi)v rfnniwetml in the turret fur rwtatingzy the same. and lean ingConnecting' aid shaft and inelndiug;y au hner-mittenti;Y meshing: fearand eti'eetire tu relate Said ia:-t shaft interniittentiyv hut at ahigher Speed than' said irst shaft.

50. ln a multiple spindle Heren' machine.y the enmhinatinn ut' a rotarivturret and a toni Carrier. a shaft having vains fur advancing andrrtrartingV `eiaid tiwi earrier. means for driringf` aid shaft at anuninterrupted Speed. a .Sh-aft rigidly rnnneeted tu the turret turrotating' the Same. and gearing eniineeting; `Said shafts fer dri\'in; rthe turret intermittenti)v at a higher rate nf Speed than the apeed nfSaid tir t Sli-ait.

3l.. In a machine nf the class desrrihed, the combination nt' a rotaryintermittently actuated turret, a rotatahle eanl shaft. a mas-- ter geareorres'pmuiing in diameter with the tnrre :t fan gear secured to the ramshaft and intermittently in mesh with the matter gear. and gearing:hetween'the master gear and the turret for intermittently actuating thelatter at an aerelerattal ,speed aa ennrA pared with the sneed mi theeau: Shaft.

32. ln a multiple .epindle eren machine. the enmhinaiinn ni" a rntfiryturret and a tnni Carrier. a alzati haringA meana tur ai Aruiming.' andretraetinn said tunl carrier. means iin' driving ,waid Shut: ai a tamtamer uninterrupted speed. a tiiai't riffidir eur heeled tn the'rnrret tra'running ti`i\\'-. ..:=ie. and fearing "unnertiiuf aid shale: and inltermutenti;h rf=i`aied tn ii'.iermitter.il)y rinata aid last 'hatt andthtn'eh); the turret hut at f. higher-1i d than said lirrt shaft.

li in a machine nt the. rias dewriiwii. the enmhinutinn in." a rutrirrimerinitieni|-- a retatahle shaft seenrrd i thereto entrallv ther-entinr mtatinn there with. a git-ar euri-ieri in' Ssaidehatt. a di iving:ng rear and` .nterniili wat;

il e Shaft n la rlusrriiie intermittenti eeurwi ,y Ll fll (im :luft 1',a tjzini "Jrryi'fia Spindle@ cm'rii; tiitrrtihy.' means for driving'zufriefi tit'iertfiiy mnt inttfrmittm wb? spinfflts trim; this ssi-mdk'driving ith 'm: driving grjtrtu'. atri :n1-1' if ihr il fztt't. :itubular shaft Setfnrti t(`= miti tnt'- suid Cum Um'nving fmtt :it :inunir. i rift tutti rotittjntirlr therewith :ind tiiruugh ruptfd or@instant minuti. unirti tim Sgwii@ driving' @mit prinses, a 70 35. In 1nnn'hint'; at tit@ '-t ritmi ewnr tirati in tnbniar shaft. u muster thecombination wt n rutztry intvrxetitttfnth' "J-rvtr4 gratinginttrrnictiiutt said rnvstr geur atftnatd turret` n rntritubt shaft,wcm-w1 l :intl tit@ r fiumi to #,:tid tltbnlztr shaft5 a heretocentrally ther-iwi tutrotntiun tinirtJv man mrtg shaft, means actuatedby said with, 1, Lr/tlm' win-imi 'uy miti Shaft'. :i iiri'vi: i mnttrnrrynig shaft and intermittently in 75 ggf-tir, gearing htstxwrnfiniti driving' gem* und. t'ngttgunicnt, with the master gear for imtimshaft getti', n ram Carrying stuft, moans parting intermittent intit'ionfrom the cam tarrid thereby :ind intiermittentij in mesi! :mt't to theturret, and moans for driving with the driving gear, sind metuistor hiv:#:iit anni mrrying stntft :it u constant 0r ing said cani CarryingShaft at an uninteruninterrupted speed, g@ tupted or .:Jnx'jtzmt speedand inn-hitin it?. in .it machine of the dass described, means fori'ftrying the speed of luid can; tw cmnbivmtmn 0f a Spindle driving'Shaft, carrying siwt't without. niiet-.ting the speed :t rutaryintermittently 'actuatffd turret, 0f the. driving menus therefor;spindles carried thereby, means for driving 3G, In ak mach-ng of the@lags degribed, said spindles from the spindle driving shaft, 85 the.cnmhination of a, rotary intermittently n tubular shaft; svcur'ed tosaid turret and actuated turret. a rotatable Shaft secured r'tettttabletherewith und through Which the hereto centrally thereof for rotationthey spindie driving;y shaft passes, a gear Xed to with, a geur carriedby said shaft, a master Sid Ulbtlm Shflfi d Ilm-Ster gear: gearing gear,gearing' between said master gaar and mtcrmerimtfesani tnfwter gear :indthe gear 90 the shaft gear and, incnj fr@ means for Yurytixtfl to annitubular shaft, a cam carrying ing the speed of rotfii an of said turretwthfiiafft, www* aftlmtfd by id Cam carrying mf. affeding du. f 1 nfsaid muster gaat@ I hntt :md intermittently in engagement cam carrying,iftttt., means Secured thereto 1th the must-er gen1' for impurtlngintermd intermgpm'gy in mesh with the mmv-r mtttvnt motion from the @amShaft to the 95 gem. and mmyt; fm. driving he am @muy trfwt. fintinie-ixus tnr driving Suid tram Citr-v ingr Shaft; at 2t pwdeterminedSpeed and, it i f'i'mg .wait dl a'fmtfm Gr uninterrupted ciuding' nir-mwfur varying the Speed of :miti `!"0ff i and ttnzlntimg means 'forVtnyIng the tram Carrying' tritati vfthtilut attecting the: @Vf SM@ (Hlm(llffvmgf 5ba- Wlhout Spend nt the tiri ing mmvns therefor. i g cumming'the spart] of trg t rwmg meansl` 100 *R271 1U i Minnhjng, the C1335deggpbd ill tl t!(iHQ tht. CizlfeS LiGSCIibCL .5, a tntu? shaft" :tirati'to the 10'. tirrt'tt :n 't tin'tmsjh Width miti spindle driv-y iiff:shift mterritr. n, tir'ning pulicy inosely manntrefii n miti spindteMixing shaft, ffywfxringr tur driving' tst-id Spunti@ driving Et 'fwntht i" *Lind means fur driv" 110 tf'thereny to rotate the nr''tit,

'i in :m ftntnnmtit; multiple npindle mtb tuti ing :t beni, thicombination 0f a rit turf/dt, nimmt-9d tiwreon, tiv re- 115 :miicnrtitgr also mounted mi inrit having www fin' advancing tin innicarriviu means for Statt, si thrift passing tiirbugh n: mit carrier andsecured to said 120 raming :1nd rrtxuwting tn wrm ritrrvr. 2 tzrt'rt.:intl mechanism cnnnctzting said cam nwtur; fur driving' nits ffmti. i:tltbninrl imtt :mit simi tnri'vt shttfhfor lntermitshnt't for rotatingtti ttnext, and adapted z Vm/Hifi ffii@ tl'rff fm the Center t0 ret'tiven a m ft mt' tim ninwixinff finti incita mi", i nim cfltnitftintf tif'si"- tnt tti-tvtiifv tu .f in un mitmzmtitr mnitipie spindle nja- 125rntntv snit! tnimnr tait intrrniit'iJ-fniy ivo: -iiztt im@ 2;,5' itimi., the cmnbinntion 0f a fn', n IiiL/'iwr muni fh :n anni first,win-ttt. 1 wim-y n. ri: t'ln'z'rt, mwnntwl thereon, it reiii" vslm'lt. us'huit having its i thereof, said turret shaft and uam shaft hr- 4l. Inuu iutmuutic multiple chinu. am! u rwiprnrutiug tml earring u rhul:

spinti@ inn-f haring; mi; tur mimi auf, thv tml af weer. u.: i midriving to said turret concentriuulily tliereuf iur intrrlnittentl;vindexing said turret, maui/uinisnn vunnevting said cam Shu/it and saidturrrt shaft for intermittf-n'ly rotating the turret frum thuceufertliel'eofhut:it st higher speed thun said cam carrying shaft, andmeans for driving said cam. vurryinpj shaft ut u minstnnt. oruninterrupted aperti lf. A metal working machinrJ eirihmiyiug :l hed. :ituul rarriar sliiftably uupprfrted on said lwd. u turret supported forrututive movementn and tliiferentiai Spf-,ed ac'rnuting mechanism inoperative connection with the tool @arrimund turret and adupted for iiulparting' a variable inovruwu to the. tuoi rari-ier and n quick rotativemnvcmeut to the'turrot fiftrr the tools have left thu wirk :andincluding u. haft secured tu miti tu:`rmit wlnfentrifully therewith. u,(irixf'iug Shaft und moans 'for driving it at u mui-itam, (ufuninterrupted speed.

4G. In un automatic multiple pimllr ruur'hine, the combination of arotmlr turret uur] u Sliiftuhle toni .f 'urrirr, a shaft harina? ramsfor ativan-ing :und rtrai'fting this tuoi ful-rim', means for drivingsaid shaft, a, tuhulur haft sfvuretl tu the turret fur rotutiuntherewith. mechanism conn( ting Suhl, shafts und effective to rotatesind tuhuiam Shaft ii'ifvrmittfntiy, spinfilrs wrriwl hfsr .said turret,u pindhz driving sliui'ty within Said tubular shaft. und meut fordriving it.

47. in un uutfuuuiil multiplu spiiullr mfr chime. the cumhinatiun of urutury intwnii'.-` teutly mutilated tuirvt uml u shiftulrh- (Gulcul'rim'. u geruis of tllrw Shafts, :i puir then l l i l i s l i inne-r@mi wv'ifuretl I hum-ting a variable movement to the tool carrwz' 'undaf quick Putative movement m1/li.

nl tu thc :11u15 mi' 13 @this u including n shat secured to said turretconcentrieally therewith and a one-piece drivingshuft extending fromenti to end of the muchino, sciiti ono/pieve driving shaft carry-l ingniveaus for intermittently actuatingsaid url-et shaft and hfrehy theturret and i Shilting the tool fzurrirrl '29, A nuiul Wfirkinf machineembodying :a luft u tomi curriifr sniftuhly slppted on V i turretuzppurtudfm' rotative nu mi; mi ir'icruruigii spued actuating i :i upitim winner-tion with the tml cirrur anti tiuft und adapted for imturtafter the tools have left the work and including;r u shaftsemlred tosaid turret concoxtltrically therewith u, one-piece driving shaftextending' fram end to end of the mafshiue. #uid rue-piece drivingshaft. carrying mez-ms fur intermittentiy actuating said turret shaftund thereby the turret und shifting the tml Currier. und means fordriving' mid uneqiieae shaft it n cunstgnt or uninterrupti-ui speed; v iy ML In u i'nucrhiue nf th daag? dsribed, trui combination mi u rotaryinierin'ittefiitiy ui'ztuutisxl turrrt, u miam uur zum? wrrevpnutliiigln diumettir with the turret. menus :ir'tururd by the (tutti shaft forhtrx'mittvntij; with?. ing the marital' gear, :uid rearing lwtwviin mulmuster gear anni the turret fur intrrmittuutly actuating the in. ttor atu spreid equul tu or grmitrr than the werd of the 'sum s? ft.

51. iu :iu autrui 'in multiple spindle maf-hinia :iuwmhiu im mi' arotary turret, a (hiring sm. www# lm rututingr said shaft, 'mmm lrwu ldriving shaft for inteirmittuuly d sing the, turret from the rientri'them-uf. lili umm@ inciudng a Shaft .wwwa/l u mi wt ruzurrntricullytherewiih :nifl :un-ui fw flirting @hr speed of mi? flri ing luif'lazimut varying the Speed it tls.l` rutaxtiuu' mmufl fur su'i Shut't.

' ln un ,u wir muitiph: spindh mi S" er: with iufjviugr th speed of f sgthe wird ufthe ffii iu- #lum riloscribed mruliimtuvii uf fi rotary"arrivi n'munted ft msm/u1 cen- 'ml carrier and 'y in tubular sli; ulmpausing sul quhugg tmfi mari' u* und having 5: #fiu turrri7 :1mi menne:iup mili' lwlufur lhuilt thereby il. ltuti-Pt frum the: mutter thef.

z in

54. In a machine of the class described having a bed, the combinationwith a rotary work turret, of a sliding tool carrier mounted on the bed,means for indexing the work turret from the center thereof andcomprising a shaft secured to said turret and passing centrally throughsaid carrier, and

means for rotating said shaft thereby to index the turret.

55. n a machine of the class described having a. bed, the combination ofa rotary intermittently actuated turret mounted on said bed, a slidingtool carrier also mounted on saidbed, and mea for indexing said turretfrom the center t ereo and comI ris- 15 ing means secured to saidturret, a cam s aft located at: one side of the means secured tov saidturret, and means connecting said cam shaft with the means secured tothe turret thereby to drive the turret from the center 20 thereof. l

OSCAR A. SMITH.

Witnesses:

I. G. Lon, W. S. CHASE.

